Abstract: Previous measurements of the spectral emissivity of coal ashes are converted to total absorptivities and emissivities. Below the temperature at which ash sinters, the total absorptivity of an ...

Abstract: The aerodynamic characteristics of strongly swirled coaxial jets issuing from a divergent nozzle into stagnant-air surroundings have been studied. Maps of the central reverse-flow zone and detailed ...

Abstract: The aerodynamic characteristics of free, swirling, coaxial jets issuing from an air model of a typical burner for pulverized bituminous coal have been studied. Detailed measurements of mean ...